323123202133 has 2 divisors, whose sum is σ = 323123202134. Its totient is φ = 323123202132.

The previous prime is 323123202091. The next prime is 323123202169. The reversal of 323123202133 is 331202321323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320200934769 + 2922267364 = 565863^2 + 54058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323123202133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323123202098 and 323123202107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323123202433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161561601066 + 161561601067.

It is an arithmetic number, because the mean of its divisors is an integer number (161561601067).

Almost surely, 2^323123202133 is an apocalyptic number.

It is an amenable number.

323123202133 is a deficient number, since it is larger than the sum of its proper divisors (1).

323123202133 is an equidigital number, since it uses as much as digits as its factorization.

323123202133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 323123202133 its reverse (331202321323), we get a palindrome (654325523456).

The spelling of 323123202133 in words is "three hundred twenty-three billion, one hundred twenty-three million, two hundred two thousand, one hundred thirty-three".